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现行 IEC 60728-3:2017
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Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks 电视信号、声音信号和交互服务用电缆网络.第3部分:电缆网络用有源宽带设备
发布日期: 2017-11-27
IEC 60728-3:20 17也可作为IEC 60728-3:20 17 RLV提供,其中包含国际标准及其红线版本,显示了与上一版本相比技术内容的所有变化。 IEC 60728-3:20 17规定了用于电视信号、声音信号和交互式服务的有线网络有源宽带设备的测量方法、性能要求和数据公布要求。这第五版取消并取代了2010年出版的第四版。本版构成技术修订版。与上一版相比,此版本包括以下重大技术变更: a)将前向路径中的电缆网络设备的频率范围上限从1000MHz扩展到1218MHz(可选地高达1794MHz); b)将返回路径中的电缆网络设备的频率范围上限从85MHz扩展到204MHz; c)IEC 60728-3-1内容的整合和更新; d)技术规范CLC/TS 50083-3-3内容的整合和更新; e)删除过时模拟参数的质量标准和测试方法; f)其他规范性参考文献; g)其他术语、定义和缩写。
IEC 60728-3:2017 is also available as IEC 60728-3:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60728-3:2017 specifies the measuring methods, performance requirements and data publication requirements for active wideband equipment of cable networks for television signals, sound signals and interactive services. This fifth edition cancels and replaces the fourth edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) extension of upper frequency range limit for cable network equipment in the forward path from 1000 MHz to 1218 MHz (optional up to 1794 MHz);
b) extension of upper frequency range limit for cable network equipment in the return path from 85 MHz to 204 MHz;
c) integration and update of IEC 60728-3-1 content;
d) integration and update of the Technical Specification CLC/TS 50083-3-3 content;
e) deletion of specifications and test methods for obsolete analogue parameters;
f) additional normative references;
g) additional terms and definitions and abbreviations.
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归口单位: TC 100
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